JP2007101219A - On-vehicle information providing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To allow a user to easily select a favorite travel scene, when the travel scene of a vehicle does not match a previously prepared travel scene. <P>SOLUTION: When it is determined that there is none among a plurality of previously prepared travel scenes matches the travel scene of the vehicle (determined as being "NO" in S204), a scene selection screen for promoting the user to selection of the favorite travel scene is displayed on a display screen (S208), program table information containing information suitable for the travel scene selected by the user is created in accordance with the display of the scene selection screen, and information is provided in accordance with the program table information created. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an in-vehicle information providing apparatus that is mounted on a vehicle and provides various information.

  2. Description of the Related Art Conventionally, it has been proposed to reproduce various information according to program guide information (time table) determined based on various conditions such as user preferences and vehicle driving scenes (see, for example, Patent Document 1).

  In such a device, program guide information including contents suitable for a plurality of various driving scenes is prepared, and when the driving scene of the vehicle matches the driving scene prepared in advance, the driving scene of the vehicle Various information is provided according to the program guide information including content suitable for the driving scene that matches, and if a driving scene that matches the driving scene of the vehicle is not prepared, the playback process is stopped and a message indicating an error is displayed. Some transition to the screen to be displayed.

In addition, when a traveling scene that matches the traveling scene of the vehicle is not prepared, the content is reproduced according to program guide information including content suitable for a traveling scene that is similar in condition to the traveling scene of the vehicle.
Japanese Patent Laid-Open No. 2005-84752

  However, as described above, when a travel scene that matches the travel scene of the vehicle is not prepared, when an error message display screen is displayed, various operations for restarting the reproduction process are required.

  In addition, as described above, when content is played back according to program guide information including content suitable for a driving scene that is similar in condition to the driving scene of the vehicle, it may be possible to provide content that deviates greatly from the user's expectation. It is done. In such a case, a user operation for changing so that favorite content is provided is required.

  As described above, the above-described apparatus has a problem in that it is not easy to use because the user cannot easily select a favorite driving scene when the driving scene of the vehicle does not match the driving scene prepared in advance.

  The present invention has been made in view of the above problems, and an object of the present invention is to enable a user to easily select a favorite traveling scene when a traveling scene of a vehicle does not match a prepared traveling scene.

  In order to achieve the above object, according to the present invention, a vehicle in a plurality of travel scenes prepared in advance is determined by determination means for determining whether or not there are a plurality of travel scenes prepared in advance that match the vehicle travel scene. If it is determined that there is no match with the driving scene, the program guide information generating means includes information suitable for the favorite driving scene selected by the user. The first feature is to generate the program guide information including it.

  As described above, when it is determined that there is no one that matches the vehicle driving scene among the plurality of driving scenes prepared in advance, the user is prompted to select a favorite driving scene and is suitable for the driving scene selected by the user. Since program guide information including information is generated and information is provided according to the generated program guide information, when the vehicle driving scene does not match the driving scene prepared in advance, the user can easily select a favorite driving scene. Can do.

  Further, according to the present invention, it is determined that there is a plurality of prepared driving scenes that match the driving scene of the vehicle, and it is impossible to provide information suitable for the driving scene that matches the driving scene of the vehicle. If it is determined that there is a program reproduction confirmation means for confirming the contents of the program guide information to be reproduced in advance with the user, the information providing means provides information according to the program guide information confirmed by the user. It has the characteristics of

  As described above, it is determined that there is a plurality of prepared driving scenes that match the driving scene of the vehicle, and it is impossible to provide information suitable for the driving scene that matches the driving scene of the vehicle. When the determination is made, the user confirms the contents of the program guide information to be reproduced in advance, and provides information according to the program guide information confirmed by the user, so that content greatly deviating from the user's expectation is not provided. be able to.

  FIG. 1 shows the overall configuration of an in-vehicle information providing apparatus according to an embodiment of the present invention. The in-vehicle information providing apparatus is configured using the navigation apparatus 1. The navigation device 1 includes a position detection unit 11, an operation switch group 17, a TV tuner 18, an FM / AM tuner 19, a CD drive 20, a DVD drive 21, an MD drive 22, an external audio interface 23, a control circuit 24, and an internal storage medium 25. , A display unit 26, an audio output unit 27, an external information input / output unit 28 and a remote control sensor 29.

  The position detector 11 has sensors such as a well-known geomagnetic sensor 12, a gyroscope 13, a distance sensor 14, and a GPS receiver 15. These sensors 12 to 15 output various information for specifying the current position to the control circuit 24.

  The operation switch group 17 includes a plurality of mechanical switches provided around the display screen of the display unit 26 and an input device such as a touch panel provided so as to overlap the display screen of the display unit 26. A signal corresponding to the touch on the touch panel is output to the control circuit 24.

  The TV tuner 18 receives radio waves from the TV broadcast station in response to a control signal from the control circuit 24 and outputs a video signal and an audio signal to the control circuit 24.

  The FM / AM tuner 19 receives radio waves from the FM radio or AM radio broadcasting station according to the control signal from the control circuit 24, and outputs an audio signal to the control circuit 24.

  Based on the control from the control circuit 24, the CD drive 20, the DVD drive 21, and the MD drive 22 read out music and music information stored in a medium such as a CD, DVD, MD, etc., and output them to the control circuit 24. Each of these drives 20 to 22 has a sensor that outputs a detection signal to the control circuit 24 when it detects insertion of each medium such as a CD, a DVD, and an MD.

  The external audio interface 23 has a connection terminal for connecting to a portable audio terminal (not shown) via a cable, and inputs / outputs various data to / from the portable audio terminal via the connection terminal.

  The internal storage medium 25 is configured by a large-capacity nonvolatile storage medium such as an HDD (Hard Disk Drive). The internal storage medium 25 includes a program to be executed by the control circuit 24, map data for map display, a destination, a travel route to the destination, an estimated travel time to reach the destination, music, and music. Information such as information, user preference information, and behavior pattern information is stored.

  The internal storage medium 25 defines a plurality of traveling scenes such as “commuting”, “date”, “drive”, and “shopping”. In addition, a driving scene can be defined in the internal storage medium 25 by a user operation.

  The display unit 26 has a display screen made of liquid crystal or the like, and displays a video corresponding to the video signal input from the control circuit 24 on the display screen.

  The audio output unit 27 includes a speaker, and outputs sound corresponding to the audio signal input from the control circuit 24 from the speaker.

  The external information input / output unit 28 is, for example, for acquiring various external information provided from an infrastructure network such as VICS or a network such as the Internet and transmitting information to a communication device connected to the network. . The external information acquired via the external information input / output unit 28 includes, for example, weather information (weather forecast, warning, warning information, etc.), traffic information (closed information, traffic jam information), music program, news, live relay and so on. External information acquired from a network such as the Internet can be acquired in various formats such as a streaming format and a download format.

  The remote control sensor 29 outputs a signal received from the remote control 29 a that transmits a radio signal using infrared rays or the like based on a user operation to the control circuit 24.

  The control circuit 24 is configured by a computer including a memory, a CPU, and the like, and performs various processes according to a program stored in the internal storage medium 25. The control circuit 24 has an internal calendar that manages date / time information indicating date, hour / minute / second, and day of the week.

  The internal storage medium 25 of the navigation device 1 in this embodiment stores tens of thousands of titles and music information (album name, track name, artist name, genre, etc.) of these songs at the time of product shipment.

  The user can listen to the music stored in the internal storage medium 25 free of charge up to a predetermined number of times (for example, 3 times). If the user likes the sampled music, the user performs a purchase operation. This makes it possible to purchase music and listen to it again and again.

  In addition, the navigation device 1 has a function of automatically copying the reproduced music to the internal storage medium 25 when the music stored in a medium such as a CD, DVD, or MD inserted in each of the drives 20 to 22 is reproduced. ing. With this function, the music copied to the internal storage medium 25 can be selected and reproduced from the next time without performing the operation of inserting a medium such as a CD, DVD, or MD.

  Moreover, the navigation apparatus 1 in this embodiment inputs user basic information related to the user in a questionnaire format. Examples of information input as basic user information include user attributes such as the user's name, date of birth, gender, blood type, current address, birthplace, educational background, occupation, job title, work location, and days off (day of the week). Information, user's favorite color, favorite sound, favorite smell, favorite color, favorite music artist, favorite music genre, favorite book, favorite writer, favorite book genre, favorite TV / radio program, There is user preference information such as daily average television viewing time, daily average radio listening time, favorite food, and fashion sensitivity.

  As shown in FIG. 2, the internal storage medium 25 is provided with a user information storage area C that stores behavior pattern information A including a schedule and a travel history and user preference information B that matches the user's preference. When the user basic information is input by the user, an initial template is generated based on the input information and stored in the user preference information B. This template is generated for each user.

  When the navigation device 1 in the present embodiment detects various operations such as a music selection operation, a music purchase operation, and a media insertion operation in which music is stored, the navigation apparatus 1 acquires information that matches the user's preference from the user's operation content. In addition, a learning function for learning the user's preference by additionally storing the user preference information stored in the internal storage medium 25 is provided. A program that matches the user's preference learned by this learning function is generated, and information that matches the user's preference is provided according to the generated program.

  Next, the user preference learning function by the control circuit 24 will be described with reference to FIG. When power is supplied from the battery via the ignition switch, the control circuit 24 calculates the current position of the vehicle based on the information for specifying the current position input from the position detection unit 11. Start processing. The control circuit 24 repeatedly performs the process shown in FIG. 3 in parallel with these processes.

  First, user operation detection is performed based on a signal input from the operation switch group 17 or the remote control sensor 29. Specifically, a user operation on any of the TV tuner 18, FM / AM tuner 19, CD drive 20, DVD drive 21, MD drive 22, external audio interface 23, internal storage medium 25, and external information input / output unit 28. Is detected (S100).

  Here, when a user operation is detected, operation information is acquired (S102). Specifically, operation information indicating the operation contents for the TV tuner 18, FM / AM tuner 19, CD drive 20, DVD drive 21, MD drive 22, external audio interface 23, internal storage medium 25, and external information input / output unit 28. To get.

  Next, an operation target is determined based on the acquired operation information (S104). Specifically, whether the operation target is a CD drive 20, DVD drive 21, MD drive 22, portable audio terminal connected to the external audio interface 23, music reproduction for the internal storage medium 25, or an external information input / output unit 28, whether it is for the TV tuner 18 or FM / AM tuner 19.

  If it is determined that the operation target is for the CD drive 20, the DVD drive 21, the MD drive 22, the portable audio terminal connected to the external audio interface 23, or the internal storage medium 25, Obtain (S106). Specifically, the music information (album name, track name, artist name, genre, etc.) of the music selected by the user is acquired from the medium storing the music selected by the user or the internal storage medium 25.

  If it is determined that the operation target is for the external information input / output unit 28, then external information is acquired (S108). Specifically, the external information specified by the user's operation is acquired from the external information (weather information, traffic information, music program, news, live broadcast, etc.) that can be received by the external information input / output unit 28. As external information acquired from a network such as the Internet, for example, a URL (Uniform Resource Locator) of a website on the Internet specified by a user operation, text data included in the website, and the like are acquired.

  If it is determined that the operation target is any one of the TV tuner 18 and the FM / AM tuner 19, then TV / radio program information is acquired (S110). Specifically, program information (reception channel, broadcast start time, broadcast end time, etc.) selected by the user from programs receivable by the TV tuner 18 or the FM / AM tuner 19 is acquired, and the process proceeds to S112.

  In S <b> 114, music purchase detection is performed based on a signal input from the user operation switch group 17 or the remote control sensor 29. Specifically, the music purchase operation is detected based on whether or not a purchase operation for acquiring a license key for viewing music from a center connected to the network via the external information input / output unit 28 has been performed.

  Here, if an operation for purchasing music is detected, then the music information for which the purchase operation has been performed is acquired (S116). Specifically, the music information (album name, track name, artist name, genre, etc.) of the music that has been purchased based on the purchase operation is acquired, and the process proceeds to S112.

  In S118, when a user inserts media into any of the CD drive 20, DVD drive 21, and MD drive 22, the user performs CD insertion based on the media insertion detection signal output from each of the drives 20-22. Detection of media insertion into the drive 20, DVD drive 21, and MD drive 22 is performed.

  Here, if it is detected that the user inserts media into any of the CD drive 20, DVD drive 21, and MD drive 22, then the music information (album name, track name) of the music stored in the inserted medium is detected. , Artist name, genre, etc.) are acquired (S120), and the process proceeds to S112.

  In S112, information that matches the user's preference acquired in S106, S108, S110, S116, and S120 is additionally stored in the user preference information stored in the internal storage medium 25 to learn the user's preference. That is, music information (album name, track name, artist name, genre, etc.) of music selected by the user's music selection operation, external information (weather information, traffic information, music program, news, live, etc.) specified by the user's operation Relay, etc.), TV / radio program selected by user operation, music information of music purchased by user purchase operation, music information stored in media inserted by user media insertion operation, respectively, The user preference information is additionally stored in the user preference information as information suitable for the user's preference, the user's preference is learned, and the process is terminated.

  Next, the program generation processing by the control circuit 24 will be described with reference to FIG. An input screen for user authentication (for example, a name and password input screen) is displayed on the display screen according to the user's operation, and user authentication is performed based on information input by the user's operation according to this display screen. When the user is authenticated by this user authentication, the control circuit 24 starts the program generation process shown in FIG.

  First, a scene determination process for recognizing the situation around the vehicle is performed (S200). FIG. 5 shows a flowchart of the scene determination process.

  In this scene determination process, first, it is determined what kind of travel scene the vehicle travel scene is (S202). Specifically, user basic information stored in the internal storage medium 25, date / time information obtained from the internal calendar, hour / minute / second, day of the week, and weather acquired via the external information input / output unit 28. Based on various information such as information and traffic information, a current position calculated based on information for specifying the current position input from the position detection unit 11, a destination input in response to a user operation, etc. It is determined what kind of driving scene the driving scene is. For example, if you are traveling on the route from your current address to your work location on the working day (day of the week), it is determined that you are commuting, and if you are traveling with your shopping center as your destination on a day off (day of the week) It is determined that it is “shopping”.

  Next, it is determined whether the scene determination is successful (S204). Specifically, it is determined whether or not the scene determination is successful based on whether or not a plurality of prepared driving scenes match the vehicle driving scene determined in S202.

  Here, if there is a plurality of prepared driving scenes that match the vehicle driving scene determined in S202, the determination in S204 is YES, and then it is determined whether there is scene-corresponding data. (S206). Specifically, it is determined whether or not data corresponding to a travel scene that matches the travel scene of the vehicle exists in the internal storage medium 25.

  Here, when the data corresponding to the travel scene that matches the travel scene of the vehicle exists in the internal storage medium 25, the determination in S206 is YES, and the process proceeds to S300 in FIG.

  If none of the plurality of prepared driving scenes matches the vehicle driving scene determined in S202, the determination in S204 is NO, and then a scene selection that prompts the user to select a favorite driving scene. The screen is displayed on the display screen (S208).

  A display example of this scene selection screen is shown in FIG. As shown in the figure, a plurality of prepared driving scenes are displayed on the scene selection screen, and the user selects one favorite driving scene from these driving scenes. . In addition, a travel scene defined by the user is displayed in “user setting 1” and “user setting 2” in FIG.

  When the user selects a favorite scene according to this display screen, the process proceeds to S300.

  If the data corresponding to the driving scene that matches the driving scene of the vehicle does not exist in the internal storage medium 25, the determination in S206 is NO, and then the program that allows the user to check the program guide information including the content that can be provided A reproduction confirmation screen is displayed on the display screen (S210).

  A display example of this program reproduction confirmation screen is shown in FIG. As shown in the figure, switches of “change scene” and “music playback” are displayed together with program guide information including the contents that can be provided.

  When the user selects “change scene”, program guide information including other content that can be provided is displayed. If the user selects “music playback”, the process proceeds to S402 in FIG.

  Returning to the description of FIG. 4, in S300, user preference information is acquired from the internal storage medium 25. This user preference information reflects information suitable for the user's preference from the contents of various operations by the user.

  Next, a time table (program) is generated based on the travel scene determined by the scene determination process and the user preference information acquired from the internal storage medium 25 (S400). Here, the driving scene determined by the scene determination process is a vehicle driving scene that matches a driving scene prepared in advance or a favorite driving selected by the user according to the scene selection screen displayed on the display screen in S208. It is a scene. Specifically, the user's preference is obtained from the user preference information learned based on the driving scene determined by the scene determination process and the user's operation content as described above using a stochastic network model such as a Bayesian network model. And music that suits the user's preference from various information sources such as FM radio, AM radio, TV, CD drive, DVD drive, MD drive, portable audio terminal, HDD audio, etc. Select a program and create a timetable. A technique for reflecting user preferences in various information using a Bayesian network model is known (see, for example, JP-A-2004-355075).

  FIG. 8 shows an example of a time table generated based on the travel scene determined by the scene determination process and the user preference information acquired from the internal storage medium 25. As shown in the figure, the traffic information periodically notified, the music of the user's favorite artist stored in the HDD (JPOP), the headline news, the music of the user's favorite genre stored in the HDD (latest JPOP ), Time information including regularly reported traffic information, pinpoint weather information of points registered in advance, and music (rock) of the user's favorite genre stored in the HDD is generated. Yes.

  Next, program reproduction is performed according to the generated time table (S402). Specifically, music and programs are acquired and provided from information sources such as FM radio, AM radio, television, CD drive, DVD drive, MD drive, HDD audio, etc. according to the generated time table.

  Next, it is determined whether or not there is a scene change. Specifically, it is determined whether there is a change in the situation (scene) determined in the scene determination process (S404).

  If it is determined that there is a scene change, the determination in S404 is YES, and the process returns to S200. If it is determined that there is no scene change, the determination in S404 is NO, and user preference information is acquired, and it is determined whether there is a change by comparing previously acquired user preference information (S406). .

  If it is determined that there is a change, the determination in S406 is YES, and the process returns to S200. If it is determined that there is no change, the determination in S406 is NO, and then it is determined whether or not the program has ended based on whether or not the provision of all program contents has ended according to the time table ( S408).

  Here, if the provision of all program contents has not been completed, the determination in S408 is NO, and the process returns to S402. If all program contents have been provided, the determination in S418 is YES, and the process returns to S200.

  According to the above configuration, when it is determined that a plurality of prepared driving scenes do not match the driving scene of the vehicle, a scene selection screen that prompts the user to select a favorite driving scene is displayed on the display screen. In accordance with the display of the scene selection screen, program guide information including information suitable for the travel scene selected by the user is generated, and information is provided according to the generated program guide information, so that the travel scene of the vehicle is prepared in advance. When it does not match the scene, the user can easily select a favorite traveling scene, and usability can be improved.

  Further, it is determined that there is a plurality of prepared driving scenes that match the driving scene of the vehicle, and it is determined that it is impossible to provide information suitable for the driving scene that matches the driving scene of the vehicle. In such a case, a program reproduction confirmation screen for confirming the contents of the program guide information to be reproduced in advance by the user is displayed on the display screen.

  In addition, this invention is not limited to the said embodiment, Based on the meaning of this invention, it can implement with a various form.

  For example, in the above-described embodiment, an example in which the in-vehicle information providing apparatus is configured using the navigation apparatus 1 is shown, but the in-vehicle information providing apparatus may be configured using a personal computer (PC), a portable terminal, or the like.

  In the above-described embodiment, an example in which the time table (program) is generated based on the travel scene determined by the scene determination process and the user preference information acquired from the internal storage medium in S400 has been described. A time table (program) may be generated based only on the determined traveling scene.

  In the above embodiment, in S208, a scene selection screen that prompts the user to select a favorite driving scene is displayed on the display screen, and information suitable for the driving scene selected by the user is provided according to the scene selection screen. Although shown, the user may be prompted to select a favorite driving scene by voice interaction. In this case, for example, the user may be prompted to select a favorite driving scene, and information suitable for the driving scene selected by the user's voice may be provided.

  In the above embodiment, in S210, a program reproduction confirmation screen for confirming the contents of the program guide information to be reproduced in advance by the user is displayed on the display screen, and the information according to the program guide information confirmed by the user through the program reproduction confirmation screen is displayed. Although the example of providing is shown, the contents of the program guide information to be reproduced by voice dialogue may be confirmed with the user in advance. In this case, for example, the contents of the program guide information to be reproduced by voice may be confirmed in advance with the user, and the program guide information may be confirmed by the user's voice.

  In the above embodiment, the example in which it is determined in S206 whether or not the data corresponding to the traveling scene that matches the traveling scene of the vehicle exists in the internal storage medium 25 is stored in the internal storage medium 25. For example, FM radio, AM radio, TV, CD drive, DVD drive, MD drive, portable audio terminal, HDD audio, etc. It may be determined whether or not data corresponding to a scene can be obtained and provided.

  In the above-described embodiment, an example of determining a traveling scene such as “commuting” or “shopping” has been described. For example, “on a commuting on a sunny day, a general road in a traffic jam” Judging the driving scene in more detail, such as "Driving on the highway, approaching the entrance toll gate", "Driving on the highway and approaching the service area" May be. This provides information that closely corresponds to the driving scene of the vehicle, for example, providing traffic information before entering the highway or playing calm music before entering the service area. It is possible.

  The correspondence relationship between the configuration in the above embodiment and the configuration of the claims will be described. The process of S204 corresponds to a determination unit, and the process of S208 corresponds to a unit that prompts the user to select a favorite travel scene. The process of S400 corresponds to the program guide information generating means, the process of S402 corresponds to the information providing means, the process of S206 corresponds to the information provision availability determination means, and the process of S210 corresponds to the program reproduction confirmation screen display means. To do.

It is a figure which shows the whole structure of the vehicle-mounted information provision apparatus which concerns on this invention. It is explanatory drawing about action pattern information and user preference information. It is explanatory drawing about the learning function of the user preference by a control circuit. It is a figure which shows the program production | generation process by a control circuit. It is a flowchart of the scene determination process in a program generation process. It is a figure which shows the example of a display of a scene selection screen. It is a figure which shows the example of a display of a program reproduction confirmation screen. It is a figure which shows an example of the time table produced | generated by the program production | generation process.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Navigation apparatus, 11 ... Position detection part, 12 ... Geomagnetic sensor,
13 ... Gyroscope, 14 ... Distance sensor, 15 ... GPS receiver,
17 ... Operation switch group, 18 ... TV tuner, 19 ... FM / AM tuner,
20 ... CD drive, 21 ... DVD drive, 22 ... MD drive,
23 ... External audio interface, 24 ... Control circuit,
25 ... Internal storage medium, 26 ... Display unit, 27 ... Audio output unit,
28 ... External information input / output unit, 29 ... Remote control sensor, 29a ... Remote control.

Claims (2)

A determination unit that determines whether or not a plurality of prepared driving scenes match a vehicle driving scene, and the determination unit matches the plurality of prepared driving scenes with the vehicle driving scene. When it is determined that there is something, program guide information generating means for generating program guide information including information suitable for a driving scene that matches the driving scene of the vehicle, and the program guide generated by the program guide information means An in-vehicle information providing device comprising information providing means for providing information according to information,
When it is determined by the determination means that the plurality of prepared driving scenes do not match the driving scene of the vehicle, the determining means includes means for prompting the user to select a favorite driving scene,
The in-vehicle information providing apparatus characterized in that the program guide information generating means generates program guide information including information suitable for a favorite traveling scene selected by the user. Information provision availability judging means for judging whether or not it is possible to provide information suitable for a traveling scene that matches the traveling scene of the vehicle;
The determination means determines that there are some of the plurality of prepared driving scenes that match the driving scene of the vehicle, and the information provision availability determining means determines that the driving scene matches the driving scene of the vehicle. When it is determined that it is impossible to provide suitable information, a program playback confirmation means for confirming in advance the content of the program guide information to be played back to the user,
The in-vehicle information providing apparatus according to claim 1, wherein the information providing unit provides information according to the program guide information confirmed by the user.

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